05-30-2021, 05:50 PM
(05-30-2021, 05:23 PM)tomh009 Wrote: The early estimates is that the vaccine effectiveness is down only by about 10% (for BioNTech-Pfizer and AZ, presumably others will be similar) so at the moment it does not appear dramatically worse.
Not-yet-peer-reviewed article here:
https://www.medrxiv.org/content/10.1101/...21257658v1
The issue is that single dose effectiveness against B16172 is much lower than against B117. Is a problem given that most Canadians have only one dose.

